如何用C语言编一个发出声音的程序?答:<stdio.h> include <stdlib.h> include <windows.h> main(){ Beep(523,500);Beep(587,500);Beep(659,500);Beep(698,500);Beep(784,500);Beep(880,500);Beep(980,500);Beep(1060,500);Sleep(500);Beep(523,500);Beep(587,500);Beep(659,500);Beep(698,500);Beep(784,500);} ...